64 



lamina sepalorum venis purpureis percursa," but really it must be yellow, 

 the flowers of the dried specimens will lose soon their natural colour and 

 appear as if it is pale bluish with deeper coloured delicate veins, as 

 incautiously written by the authors as quoted above. 



The plant of Honzo-Dzufu (Phonzo zoufu) vol. 23, fol. 11 recto, fig. 

 sinistra, which was referred to Iris minuta by Franchet et Savatier, is evi- 

 dently a different species, and it may be a form of Iris gracilipes A. 

 Gray. 



Iris (Apogon) ruthenica Dryand. y. nana Maxim, in Mel. Biol. X. 

 p. 705 ; Palib. Consp. Fl. Kor. III. p. 6. 



Iris ruthenica Maxim. Prim. Fl. Amur. Suppl. pp. 477, 485. 



Small ; rhizome slender, obliquely horizontal, hard, branched, brown, 

 covered with old fibres of leaves, furnished with dried leaves of last year 

 at the neck ; roots strong, with many branches which also repeatedy ramose. 

 Leaves 3-6, linear, attaining about 14 cm. long and 3-6 mm. wide in 

 flower, but attaining about 37 cm. long, 7 J mm. wide after an thesis, acu- 

 minate, the one side deep-green, and other side more or less glaucous ; the 

 midrib somewhat distinct ; veins 2-4 on each side ; the sheath manifest, 

 opened ; the basal leaves sheath-form, tinged with purple. Scape 1-headed, 

 short, ascending, covered with few scaly leaves which are tinged with purple 

 below and above, about 6-10 cm. high including the flower ; pedicel equalling 

 the scape in length, 9-20 mm. long. Spathe 1-flowered ; valves 2, oblong- 

 lanceolate, acuminate, many-nerved, ecarinate, about 2J cm. or more long, 

 turged, light green, tinged with purple towards the margin. Perianth-tube 

 clavato-cylindrical, about 1^ cm. long. Sepals about 4 cm. long, broadly 

 unguiculate ; unguis lighter than the limb in colour, longitudinally striate 

 with purple internally, very light green externally ; the limb slightly shorter 

 than the unguis, oblong, about 8 mm. broad, finally subcon duplicate, shortly 

 bifid at the apex, spreading and more or less deflexed and geniculate with 

 the unguis, violet, substriped with white and violet in centre of the lower 

 portion. Petals erect, angustuto-oblanceolate, narrowly unguiculate, revolute- 

 margined, membranaceous, violet, about 3^ cm. long. Stamens about 2 cm. 

 long, adherent to the base of sepals ; filament linear ; anther shorter than 

 the filament, linear, Cferuleou?. Style-branches erect-patent, purple-violet, 

 about 2| cm. long, 5 mm. broad ; crest-lobes 2, obliquely ovate, acute, inciso- 

 denticulate on the outer side ; stigma minute, with a subulate lobe. Ovary 



